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Goldfieldite & Native Gold

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JYJ586193

Goldfieldite & Native Gold

Description Tabs

Description
Locality: 
May Day Mine, La Plata County, Colorado, United States of America
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
2.7 × 1.7 × 0.8 cm
Description

Grey metallic goldfieldite & native gold surrounding quartz. Minor baryte present. Analysed specimen

Mineral Data
What's on the rock

Goldfieldite

Formula: 
Cu10Te4S13
Strunz: 
2.GB.05
Hardness: 
3.0 - 3.5
Type Locality: 
Mohawk Mine, Goldfield, Goldfield District, Esmeralda Co., Nevada, USA

Gold

Formula: 
Au
Strunz: 
1.AA.05
Crystal System: 
Isometric
Hardness: 
2.5 - 3.0